﻿<%@ Page Language="C#" %>
<style>
* {cursor:hand}
</style>
<script>

    //初始化
    var x = 0;
    var y = 0;
    function baoDrag() {
        //记录鼠标所点的位置,X,Y.
        var x = event.clientX;
        var y = event.clientY;
        document.attachEvent("onmousemove", moveHandler);
        document.attachEvent("onmouseup", upHandler);
        event.cancelBubble = true;
        event.returnValue = false;

        function moveHandler() {
            //先捕获鼠标新的位置,和鼠标点击开始拖动之差为要滚动量.
            var newx = event.clientX - x;
            var newy = event.clientY - y;
            //更新鼠标位置.
            x = event.clientX;
            y = event.clientY;
            //开始移动
            window.scrollBy(-newx, -newy);
            event.cancelBubble = true;
        }

        function upHandler() {
            //鼠标松开.注销相关事件.
            document.detachEvent("onmouseup", upHandler);
            document.detachEvent("onmousemove", moveHandler);
            event.cancelBubble = true;
        }
    }
    //加入鼠标事件.拖动开始.
    document.onmousedown = baoDrag;
    //屏蔽选择图片.
    document.onselectstart = new Function("event.returnValue=false")
</script>

    <img src='<%=Request["nid"].ToString()%>'  style="position:absolute;top:0;left:0;"/>
